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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Yanju Gao1, Yanfei Sun2, Ruixi Zhang1 and Guixin Chu1
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DOI:10.17265/2161-6264/2017.01.003
Affiliation(s)
1. Department of Resources and Environmental Science, College of Agriculture, Shihezi University, Shihezi City, 832000, Xinjiang Province, China
2. Department of College of Life Science, Shihezi University, Shihezi City, 832000, Xinjiang Province, China
ABSTRACT
A hydroponic experiment was
carried out to investigate the effects of magnetic water irrigation on the
growth, nutritional status and antioxidant enzyme activity of cotton seedlings.
Four levels of magnetic-treated water irrigation (0, 100, 300 and 500 mT) and
three levels of salt stress (0, 100 and 200 mM NaCl) were applied. Salt stress
adversely affected the dry weight, nutrient uptake and antioxidant enzyme
activities of cotton seedlings. Magnetic-treated water irrigation significantly
increased cotton seedling dry weight. Cotton seedling dry weight increased by
14%, 22% and 29% under the treatments of 100, 300 and 500 mT magnetic water
irrigation, respectively,
compared with the control, at a salt stress level of 100 mM NaCl. Moreover,
magnetic water irrigation improved N uptake, but did not significantly affect P and K uptake. Magnetic
water irrigation significantly increased the activity of superoxide dismutase
(SOD), peroxidase (POD) and the proline content compared to the control (0 mT).
Irrigation with magnetic water could be a promising technique in agriculture,
especially under salt stress conditions. A suitable magnetic intensity of 300
mT is recommended.
KEYWORDS
Magnetic water, salt stress, cotton seedling, N uptake, enzyme activity.
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